205124822

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 385689600

約数和(自身を除く): 180564778

約数列:

[1, 2, 7, 14, 17, 34, 61, 71, 119, 122, 142, 199, 238, 398, 427, 497, 854, 994, 1037, 1207, 1393, 2074, 2414, 2786, 3383, 4331, 6766, 7259, 8449, 8662, 12139, 14129, 14518, 16898, 23681, 24278, 28258, 30317, 47362, 60634, 73627, 84973, 98903, 147254, 169946, 197806, 206363, 240193, 412726, 480386, 515389, 861869, 1030778, 1444541, 1681351, 1723738, 2889082, 3362702, 6033083, 12066166, 14651773, 29303546, 102562411, 205124822]

約数ペア:

[(1, 205124822), (2, 102562411), (7, 29303546), (14, 14651773), (17, 12066166), (34, 6033083), (61, 3362702), (71, 2889082), (119, 1723738), (122, 1681351), (142, 1444541), (199, 1030778), (238, 861869), (398, 515389), (427, 480386), (497, 412726), (854, 240193), (994, 206363), (1037, 197806), (1207, 169946), (1393, 147254), (2074, 98903), (2414, 84973), (2786, 73627), (3383, 60634), (4331, 47362), (6766, 30317), (7259, 28258), (8449, 24278), (8662, 23681), (12139, 16898), (14129, 14518)]